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Idaho Class D Knowledge Practice Test
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Passing target: 85% (34/40)
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You follow a large truck and cannot see its side mirrors. What should you assume?
A long white tractor-trailer B and blue car A travel to the right on a two-lane carriageway. A is behind B.
Correct answer: The truck driver may not be able to see you
Why
If you cannot see the truck’s side mirrors, its driver may not see you. Stay well back and avoid lingering beside the truck in its blind spots. Allow extra room before pulling back in after a pass.
Verified against Idaho Driver’s Handbook, July 2026 · Large-truck blind spots · p. 104, 105
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